Caption:
The illustration features two distinct representations of the marine organism 'Sertularia eburnea.' The upper part showcases a detailed depiction of a branch-like structure adorned with delicate, feathery filaments, highlighting the organism's intricate texture and form. Below, a finely rendered line drawing illustrates the same species, emphasizing the anatomy and growth pattern of the fragile, branching stems. The label at the bottom identifies the specimen and references the scientific name, enhancing the educational nature of the artwork.